Removal And Replacement - Datamax M-Class Mark II Maintenance Manual

4

Removal and Replacement

4.0 Introduction ........................................................................................ 1
4.1 Side Cover Assembly............................................................................ 1
4.2 Front Cover......................................................................................... 3
4.2.1 Front Panel PCB........................................................................ 4
4.3 Printhead............................................................................................ 5
4.3.1 Printhead Assembly .................................................................. 6
4.3.1.1
4.4 Main Logic PCB .................................................................................. 11
4.5 Power Supply PCB.............................................................................. 13
4.5.1 Fuses.................................................................................... 14
4.6 Media Sensor .................................................................................... 15
4.7 Drive Motor....................................................................................... 17
4.7.1 Isolator ................................................................................. 19
4.8 Platen and Assist Roller ...................................................................... 20
4.9 Thermal Transfer Assembly ................................................................. 23
4.9.1 Take-up Hub & Clutch Assembly ............................................... 23
4.9.2 Supply Hub............................................................................ 24
4.10 Internal Rewinder .............................................................................. 26
4.10.1 Rewind Hub & Clutch Assembly................................................. 26
4.10.2 Spur Gear ............................................................................. 27
Head Pressure Cams and Springs .................................. 9
i